Combined bathtub and shower enclosure



FIG. 1 is a front perspective view of a combined bathtub and shower enclosure showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a cross sectional view taken on line 3--3 of FIG. 2; and,

FIG. 4 is a cross sectional view taken on line 4 --4 of FIG.2. 

The ornamental design for a combined bathtub and shower enclosure, as shown and described. 